International Conference on Non-Perturbative/Background Independent Quantum Gravity (Loops), Date: MAY 23-28, 2011, Location: Madrid, SPAIN, Patrocinadores: Spanish Minist Sci & Innovat, Spanish Res Council, Consejo Superior Investigaciones Cientificas (CSIC), BBVA Fdn, CONSOLIDER-CPAN Project, Spanish Soc Gravitat & Relativ (SEGRE), Univ Carlos III Madrid (UC3M), European Sci Fdn (ESF)